From: Lupi, Guy (Guy.Lupi@xxxxxxxxxxxxx)
Date: Wed Apr 03 2002 - 22:15:05 GMT-3
I was told today that the bridge numbers are in hex on the 3920, so you
would have to convert them. I believe the following is the proper
configuration, I am sure someone will correct me if I am wrong:
r1 (trbrf 15 trcrf 15)
source bridge ring 12
!
int to0
ip addr 6.6.6.6 255.255.255.0
multiring ip
source-bridge 15 21 12
source-bridge spanning
r2 (trbrf 15 trcrf 16)
source-bridge ring 12
!
int to0
ip addr 6.6.6.7 255.255.255.0
multiring ip
source-bridge 16 21 12
source-bridge spanning
-----Original Message-----
From: Geoffrey KIM
To: Chua, Parry; Lupi, Guy
Cc: ccielab@groupstudy.com
Sent: 4/3/2002 8:09 PM
Subject: RE: 3920 operation questions
Parry,
What's the correct configuration for the second case then? Is it:
R1 - CRF15 - BRF15
------------------
int to0
source-bridge 15 15 16
R2 - CRF16 - BRF15
------------------
int to0
source-bridge 16 15 15
?
Thanks in advance,
Geoffrey
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On
> Behalf Of Chua, Parry
> Sent: Thursday, April 04, 2002 9:47 AM
> To: Lupi, Guy; ccielab@groupstudy.com
> Subject: RE: 3920 operation questions
>
>
> Hi
>
> point:
> 1. is OK
> 2. Is incorrect, it is like a two ring attach to a bridge, it
> is in the same subnet.
> but you need to configure multiring at interface to work
> for SRB as far as IP and IPX
> is concern.
> 3. Is OK.
>
> Parry Chua
>
> -----Original Message-----
> From: Lupi, Guy [mailto:Guy.Lupi@eurekaggn.com]
> Sent: Wednesday, April 03, 2002 11:36 PM
> To: 'ccielab@groupstudy.com'
> Subject: 3920 operation questions
>
>
> I have a few scenarios that I want to put out there to see if my
> understanding is correct:
>
> 1. If you have 2 routers, each with a token ring interface
> to the 3920, and
> they are placed in the same trbrf trcrf, then this is just
> like having an
> MAU, the routers can exchange routing information and will be
> on the same IP
> subnet. This is the default configuration.
>
> 2. If you have 2 routers, each with a token ring interface
> to the 3920, one
> is placed in trbrf15 trcrf15, and one is placed in trbrf15
> trcrf16, then the
> routers will be on different ip subnets, but can do SRB. The srb
> configurations would be as follows:
>
> r1
> source-bridge ring-group 12
> int to0
> source-bridge 15 15 12
>
> r2
> source-bridge ring-group 12
> int to0
> source-bridge 16 15 12
>
> 3. If you have 2 routers, each with a token ring interface
> to the 3920, one
> is placed in trbrf15 trcrf15, and one is placed in trbrf16
> trcrf16. The
> routers cannot do srb, this would be just like setting up 2 vlans on a
> Catalyst switch, intervlan communication is not possible.
>
> I appreciate any comments on this, I can set up the 3920 just
> fine, but I am
> trying to understand the effect that each setup has on srb and regular
> traffic on the token ring segments that are attached.
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